Observable dependecy issue in new versions of Angularjs

[computersciencetar]

Issue:
import {Observable} from 'rxjs/Observable'; is giving a compilation issue in bike.service.ts
in new Angular versions

can be resolved by using

import {Observable} from 'rxjs';
Ref:
https://stackoverflow.com/questions/49840152/i-get-an-error-when-learning-angular-has-no-exported-member-observable

[Vishnu jethliya]

Below steps worked for me :

1. import { Observable , BehaviorSubject } from 'rxjs';
   2)npm cache verify
   3)npm install